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https://raw.githubusercontent.com/AquiverV/apex/master/src/main/java/org/apex/AbstractFactory.java
/*
 * MIT License
 *
 * Copyright (c) 2019 1619kHz
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package org.apex;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import java.util.logging.Logger;

public abstract class AbstractFactory implements ApexFactory {

  protected static final Logger log = Logger.getLogger(AbstractFactory.class.getName());

  protected final Map<String, BeanDefinition> beanPool = new ConcurrentHashMap<>(64);
  protected final ReentrantReadWriteLock readWriteLock = new ReentrantReadWriteLock();

  protected ReentrantReadWriteLock.ReadLock readLock() {
    return this.readWriteLock.readLock();
  }

  protected ReentrantReadWriteLock.WriteLock writeLock() {
    return this.readWriteLock.writeLock();
  }
}
